<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>18-表格练习</title>
</head>
<body>
<table border="1">
    <tr>
        <td>(1,1)</td>
        <td>(1,2)</td>
        <td>(1,2)</td>
    </tr>

    <tr>
        <td>(2,1)</td>
        <td>(2,2)</td>
        <td>(2,2)</td>
    </tr>

    <tr>
        <td>(3,1)</td>
        <td>(3,2)</td>
        <td>(3,2)</td>
    </tr>

    <tr>
        <td>(4,1)</td>
        <td>(4,2)</td>
        <td>(4,2)</td>
    </tr>
</table>
</body>
</html>